//
//  HSHttpReachability.h
//  AFNetworking
//
//  Created by huang on 2018/8/10.
//

#import <Foundation/Foundation.h>

typedef NS_ENUM(NSInteger, HSHttpReachabilityStatus) {
    HSHttpReachabilityStatusNotReachable = 0,
    HSHttpReachabilityStatusReachableViaWiFi,
    HSHttpReachabilityStatusReachableViaWWAN,
    HSHttpReachabilityStatusReachableVia2G,
    HSHttpReachabilityStatusReachableVia3G,
    HSHttpReachabilityStatusReachableVia4G
};

extern NSString *kReachabilityChangedNotification;

@interface HSHttpReachability : NSObject

/*!
 * Use to check the reachability of a given host name.
 */
+ (instancetype)reachabilityWithHostName:(NSString *)hostName;

/*!
 * Use to check the reachability of a given IP address.
 */
+ (instancetype)reachabilityWithAddress:(const struct sockaddr *)hostAddress;

/*!
 * Checks whether the default route is available. Should be used by applications that do not connect to a particular host.
 */
+ (instancetype)reachabilityForInternetConnection;


#pragma mark reachabilityForLocalWiFi
//reachabilityForLocalWiFi has been removed from the sample.  See ReadMe.md for more information.
//+ (instancetype)reachabilityForLocalWiFi;

/*!
 * Start listening for reachability notifications on the current run loop.
 */
- (BOOL)startNotifier;
- (void)stopNotifier;

- (HSHttpReachabilityStatus)currentReachabilityStatus;

/*!
 * WWAN may be available, but not active until a connection has been established. WiFi may require a connection for VPN on Demand.
 */
- (BOOL)connectionRequired;

@end
